Name of this art piece is "The North Rose Window, the stained glass window" its location is "Chartres Cathedral Church of France" the technique is called "staining glass for windows using metal oxides".
What can be observed about this piece and the technique used?
This window, has the theme of the Old Testament prophecies being fulfilled with Mary as their instrument, hence the central panel depicts Jesus Christ as a child with Mary. It is encircled by 12 elliptical panels showing four doves and eight angels. diamond-shaped panels depict the 12 kings of Judah, Christ's ancestors. The outer ring of semi-circular panels shows the 12 minor prophets. Between the squares and semi-circles are quatrefoil panels with fleurs-de-lis, the French royal coat of arms and reminding that the window was donated by Queen Blanche of Castille.
The technique of staining glass for windows using metal oxides dates back to at least the 7th century CE and the churches of the Byzantine Empire. However, the craft really became a refined art in the 12th and 13th centuries CE. The five main colours used to 'stain' glass were bright ruby red, which came from copper oxide, sapphire blue from cobalt oxide, green from iron oxide, yellow from sulphur or soot, and purple from manganese oxide.
Hence, it is called stained glass painting and located in France.
To learn more about Stained glass painting, here
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